20013213023200 has 72 divisors (see below), whose sum is σ = 48862432322928. Its totient is φ = 8004437114880.

The previous prime is 20013213023191. The next prime is 20013213023201. The reversal of 20013213023200 is 232031231002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013213023201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6257989 + ... + 8898811.

It is an arithmetic number, because the mean of its divisors is an integer number (678644893374).

Almost surely, 2^{20013213023200} is an apocalyptic number.

20013213023200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013213023200 is an abundant number, since it is smaller than the sum of its proper divisors (28849219299728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20013213023200 is a wasteful number, since it uses less digits than its factorization.

20013213023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650316 (or 2650303 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20013213023200 its reverse (232031231002), we get a palindrome (20245244254202).

The spelling of 20013213023200 in words is "twenty trillion, thirteen billion, two hundred thirteen million, twenty-three thousand, two hundred".